見本はこちら
http://jsdo.it/Yukimi.Sato/rBvF
HTML
<a class="btn gradation-green" href="#">ボタン</a>
CSS
.gradation-green { color: #FFFFFF; text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.15); background-color: #2fcd4e; background-image: -moz-linear-gradient(top, #2fcd4e, #009836); background-image: -webkit-gradient(linear, 0 0, 0 100%, from(#009836), to(#009836)); background-image: -webkit-linear-gradient(top, #2fcd4e, #009836); background-image: -o-linear-gradient(top, #2fcd4e, #009836); background-image: linear-gradient(to bottom, #2fcd4e, #009836); background-repeat: repeat-x; filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff2fcd4e', endColorstr='#ff009836', GradientType=0); border-color: #26b929 #1a9c1f #007a2b; *background-color: #2fcd4e; *border: 1px solid #1a9c1f; box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.10); } .gradation-green:hover{ color: #FFFFFF; background-color: #009836; }